<!DOCTYPE HTML>
<html>
<head><meta charset='utf-8'></head>
<body>
<b>Sub Frame 2</b><br/>
<script type='application/javascript'>
  // make sure to set document.domain to same domain as frame 1
  window.onload = function() {
    document.domain = 'mochi.test';
    //   let Frame 1 know that we are ready to run the test
    window.parent.parent.frames[0].postMessage({start: 'startTest'}, '*');
  };
</script>
</body>
</html>
